html {
	font-size: 10px;
}


.mainBox {
	position: relative;
	background-color: #EDF1F2;
}





/* 轮播图*/
.S_First_class {
	width: 100%;
	height: 45rem;
	position: relative;
	overflow: hidden;
}

.all {
	width: 100vw;
	height: 40vw;
	position: relative;
	background-color: #1E262C;
}

.screen {
	width: 100vw;
	height: 40vw;
	overflow: hidden;
	position: relative;
}

.screen ul {
    position: absolute;
    left: -100vw;
    top: 0px;
    width: 500vw;
}

.screen li {
	width: 100vw;
	height: 40vw;
	max-height: 450px;
	overflow: hidden;
	float: left;
	display: flex;
	justify-content: center;
	position: relative;
	/*align-items: center;*/
}

.screen li img {
    width: 1800px;
    height: auto;
}

.screen_text {
	width: 100vw;
	height: 14vw;
	padding-left: 15vw;
	background-color: rgba(18,29,37,0.9);
	position: absolute;
	bottom: 0;
	display: flex;;
	flex-direction: column;
	justify-content: center;
}

.screen_text span:nth-of-type(1){
	font-size: 24px;
	color: #ccc;
}

.screen_text span:nth-of-type(2) {
	font-size: 18px;
	color: #ccc;
	margin-top: 1vw;
	margin-bottom: 1vw;	
	font-weight: 300;
}

.screen_text span:nth-of-type(3) a {
	font-size: 15px;
    color: #2ac4f5;
    font-weight: 400;
    cursor: pointer;
}

.screen_small{
	position: absolute;
	width: 9vw;
	height: 13vw;
	bottom: 3vw;
	left: 3vw;
}

.screen_small img {
	width: 100% !important;
	height: 100% !important;
}

.icon-angle-circle-left {
	width: 44px;
	height: 44px;
	left: 2vw;
	top: 45%;
	position: absolute;
	font-size: 30px;
	color: white;
	font-weight: 700;
	cursor: pointer;
	text-shadow: -1px -1px 6px rgba(0,0,0,.5);
	transition: all 0.5s;
	opacity: 0;
}

.icon-angle-circle-right {
	width: 44px;
	height: 44px;
	right: 2vw;
	top: 45%;
	font-size: 30px;
	position: absolute;
	color: white;
	font-weight: 700;
	cursor: pointer;
	text-shadow: -1px -1px 6px rgba(0,0,0,.5);
	transition: all 0.5s;
	opacity: 0;
}

/* /轮播图*/


/* 轮播图指示器*/

.pointer {
	width: 100vw;
	height: 35px;
	/*background-color: green;*/
	display: flex;
	justify-content: center;
	align-items: center;
}

.pointerGroup{
	display: flex;
	position: relative;
}

.pointerGroup > span {
	width: 10px;
	height: 10px;
	border-radius: 50%;
	border: 1px solid #787d85;
	box-shadow: 0 0 30px rgba(30,38,44,.3);
}

.pointerGroup > span:nth-of-type(2) {
	margin-left: 10px;
	margin-right: 10px;
}

.pointerGroup div {
	width: 14px;
	height: 14px;
	border-radius: 50%;
	position: absolute;
	left: 0;
    background-color: #f56c2d;
    border: 1px solid #f56c2d;
    transition: all 0.8s;
}

.to_50 {
	left: 50% !important;
	transform: translateX(-50%) !important;
}

.to_100 {
	left: 100% !important;
	transform: translateX(-13px) !important;
}
/* /轮播图指示器*/


/*公共类*/

.padd_letf_6 {
	padding-left: 6vw !important;
}

.hide {
	display: none;
}

/* /公共类*/